Design Manual For Structural Stainless Steel

1 The Steel Construction Institute Design Manual ForStructural Stainless Steel (Third Edition) 18 April 2006 Stainless Steel National Contacts Centre Technique Industriel de la Construction M tallique (CTICM) F-78471 Saint R my L s Chevreuse Cedex France Tel: +33 1 30 852500 Fax: +33 1 30 527538 Web: Forschungsvereinigung Stahlanwendung e. V. Postfach 10 48 42 D-40039 D sseldorf Germany Tel: +49 211 6707 856 Fax: +49 211 6707 840 Web: Centro Sviluppo Materiali (CSM) Via di Castel Romano, 100 00128 Rome Italy Tel: +39 06 5055829 Fax: +39 06 5055202 Email: Web: The Steel Construction Institute (SCI) Silwood Park Ascot Berks SL5 7QN United Kingdom Tel: +44 1344 623345 Fax: +44 1344 622944 Email: Web: Euro Inox 241 route d Arlon L-1150 Luxembourg Tel: +352 261 03 050 Fax: +352 261 03 051 Email Web: The Swedish Institute of Steel Construction (SBI) PO Box 27751 SE-115 92 Stockholm, Sweden Tel: +46 8 661 02 80 Fax: +46 8 661 03 05 Email: Web: CUST - Blaise Pascal University Civil Engineering Department Rue des Meuniers, BP 206 63174 Aubiere cedex France Tel: +33 4 73 40 75 00 Fax: +33 4 73 40 75 10 Web.

2 Universitat Polit cnica de Catalunya (UPC) Dept. Ingenier a de la Construcci n M dulo C1 Campus Norte C/Jordi Girona, 1-3 08034, Barcelona, Spain Tel: +34 93 401 6516 Fax: +34 93 405 4135 Web: RWTH Aachen Institute of Steel Construction Mies-van-der-Rohe-Str. 1 D-52074 Aachen Germany Tel: +49 241 80 25177 Fax +49 241 80 22140 Web: VTT Technical Research Centre of Finland Building materials and products PO Box 1000 FI-02044 VTT Finland Tel: +358 20 722 111 Fax: +358 20 722 7001 Web: Front cover photograph: Extension of Finnish Parliament Building, Helsinki, Finland, 2004 The glass fa ade is supported by Stainless Steel square hollow sections (70 x 70 x 4 mm) in grade which were supplied in the cold worked condition CP350. Architectural Design : Pekka Helin & Co Architects, Helsinki Photographer: Michael Perlmutter, Stockholm Design Manual For Structural Stainless Steel (Third Edition) ii 2006 Euro Inox and The Steel Construction Institute ISBN 2-87997-204-3 (Second edition 2002: ISBN 2-87997-037-7) Euro Inox and The Steel Construction Institute have made every effort to ensure that the information presented here istechnically correct.

3 However, the reader is advised that the material contained therein is for general information purposes only. Euro Inox, The Steel Construction Institute and any other contributor specifically disclaim any liability orresponsibility for loss, damage or injury, resulting from the use of the information contained in this publication. CD-ROM, 7 languages ISBN 2-87997-187-X Finnish version ISBN 2-87997-208-6 French version ISBN 2-87997-205-1 German version ISBN 2-87997-210-8 Italian version ISBN 2-87997-206-X Spanish version ISBN 2-87997-207-8 Swedish version ISBN 2-87997-209-4 iii PREFACE Third Edition This Third Edition of the Design Manual has been prepared by The Steel Construction Institute as a deliverable of the RFCS Project - Valorisation Project Structural Design of cold worked austenitic Stainless Steel (contract RFS2-CT-2005-00036).

4 It is a complete revision of the Second Edition, extending the scope to include cold worked austenitic Stainless steels and updating all the references to draft Eurocodes. The Third Edition refers to the relevant parts of EN 1990, EN 1991 and EN 1993. The Structural fire Design approach in section 7 has been updated and new sections on the durability of Stainless Steel in soil and life cycle costing have been added. Three new Design examples have been included to demonstrate the appropriate use of cold worked Stainless Steel . They were completed by the following partners: Universitat Polit cnica de Catalunya (UPC) The Swedish Institute of Steel Construction (SBI) Technical Research Centre of Finland (VTT) A project steering committee, including representatives from each partner and sponsoring organisation, oversaw the work and contributed to the development of the Design Manual .

5 The following organizations participated in the preparation of the Third Edition: The Steel Construction Institute (SCI) (Project co-ordinator) Centro Sviluppo Materiali (CSM) CUST, Blaise Pascal University Euro Inox RWTH Aachen, Institute of Steel Construction VTT Technical Research Centre of Finland The Swedish Institute of Steel Construction (SBI) Universitat Polit cnica de Catalunya (UPC) Preface to the Second Edition This Design Manual has been prepared by The Steel Construction Institute as a deliverable of the ECSC funded project, Valorisation Project Development of the use of Stainless Steel in construction (contract 7215-PP-056). It is a complete revision of the Design Manual for Structural Stainless Steel , which was prepared by The Steel Construction Institute between 1989 and 1992 and published by Euro Inox in 1994. This new edition takes into account advances in understanding in the Structural behaviour of Stainless Steel over the last 10 years.

6 In particular, it includes the new Design recommendations from the recently completed ECSC funded project, Development of the use of Stainless Steel in construction (contract 7210-SA/842), which has led to the scope of the Manual being extended to cover circular hollow sections and fire resistant Design . Over the last ten years a great many new European standards have been issued covering iv Stainless Steel material, fasteners, fabrication, erection, welding etc. The Manual has been updated to make reference to current standards and data in these standards. A project steering committee, including representatives from each partner, sub-contractor and sponsoring organisation, oversaw the work and contributed to the development of the Manual . The worked examples were completed by the following partners: Centre Technique Industriel de la Construction M tallique (CTICM) Lule Institute of Technology RWTH Aachen VTT Technical Research Centre of Finland The Steel Construction Institute (SCI) The following people were members of the steering committee and/or completed the Design examples.

7 Nancy Baddoo The Steel Construction Institute Massimo Barteri Centro Sviluppo Materiali (CSM) Bassam Burgan The Steel Construction Institute Helena Burstrand Knutsson The Swedish Institute of Steel Construction (SBI) Lars Hamrebj rk The Swedish Institute of Steel Construction (SBI) Jouko Kouhi VTT Technical Research Centre of Finland Roland Martland Health and Safety Executive (UK) Enrique Mirambell Universitat Polit cnica de Catalunya (UPC) Anders Olsson AvestaPolarit AB (formerly, Lule Inst. of Technology) Thomas Pauly Euro Inox Esther Real Universitat Polit cnica de Catalunya (UPC) Ivor Ryan Centre Technique Industriel de la Construction M tallique Heiko Stangenberg RWTH Aachen Institute of Steel Construction Asko Talja VTT Technical Research Centre of Finland ACKNOWLEDGEMENTS The following organisations provided financial support for this edition of the Design Manual and their assistance is gratefully acknowledged: Research Fund for Coal and Steel (RFCS) (formerly, European Coal and Steel Community (ECSC)) Euro Inox The contribution made to this and the previous two editions by the European Stainless Steel producers and other organisations is also gratefully acknowledged.

8 V FOREWORD This Design Manual has been prepared for the guidance of engineers experienced in the Design of carbon Steel Structural steelwork though not necessarily in Stainless Steel structures. It is not in any way intended to have a legal status or absolve the engineer of responsibility to ensure that a safe and functional structure results. The Manual is divided into two parts: Part I - Recommendations Part II - Design Examples The Recommendations in Part I are formulated in terms of limit state philosophy and, where appropriate, are in compliance with the following Parts of Eurocode 3 Design of Steel structures: EN 1993-1-1 Design of Steel structures: General rules and rules for buildings EN 1993-1-2 Design of Steel structures: Structural fire Design EN 1993-1-3 Design of Steel structures: General rules: Supplementary rules for cold - formed members and sheeting EN 1993-1-4 Design of Steel structures: General rules: Supplementary rules for Stainless steels EN 1993-1-5 Design of Steel structures: Plated Structural elements EN 1993-1-8 Design of Steel structures: Design of joints EN 1993-1-9 Design of Steel structures: Fatigue EN 1993-1-10 Design of Steel structures.

9 Material toughness and through-thickness properties This Design Manual gives recommended values for certain factors. These values may be subject to modification at a national level by the National Annexes. The Design Examples contained in Part II demonstrate the use of the recommendations. A cross-reference system locates that section of the examples corresponding to a particular recommendation. The Recommendations and Design Examples are available online at Steelbiz, an SCI technical information system ( ), and from the Euro Inox web site ( ). A Commentary to the Recommendations, which includes a full set of references, is also available online at these web sites. The purpose of the Commentary is to allow the designer to assess the basis of the recommendations and to facilitate the development of revisions as and when new data become available. Opportunity is taken to present the results of various test programmes conducted specifically to provide background data for the Design Manual .

10 The Recommendations, Design Examples and Commentary are also available on CD from Euro Inox. vi An online Design facility is available at for designing cold - formed Stainless Steel members subject to axial tension, bending or axial compression. The Design facility calculates section properties and member resistances in accordance with the Recommendations in this Design Manual . The Design recommendations presented in this document are based upon the best knowledge available at the time of publication. However, no responsibility of any kind for injury, death, loss, damage or delay, however caused, resulting from the use of the recommendations can be accepted by the project partners or others associated with its preparation. vii Contents Page No.